CVE-2026-100308CWE-470CWE-502insecure-deserialization

CVE-2026-100308

High · published September 29, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
8.4 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00136 · 2.7th percentile
Weaknesses
CWE-470 · Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection'); CWE-502 · Deserialization of Untrusted Data
Published
2026-09-29T20:17Z
References (3)
https://aws.amazon.com/security/security-bulletins/2026-119-aws/ · ff89ba41-3aa1-4d27-914a-91399e9639e5https://github.com/awslabs/gluonts/releases/tag/v0.17.0 · ff89ba41-3aa1-4d27-914a-91399e9639e5https://github.com/awslabs/gluonts/security/advisories/GHSA-64q6-5qv7-cwj9 · ff89ba41-3aa1-4d27-914a-91399e9639e5
EPSS history
Timeline
  • 01 OCT 03:44Z
    EPSS moved — → 0%
    epss
  • 29 SEP 15:05Z
    GluonTS arbitrary command execution during model deserialization
    cvelistv5